Ecole des Hautes Etudes Commerciales du Nord

The Evolution of Quantitative Equity Investing: Half a Century of Alpha Research and Institutional Adaptation

ABSTRACT This survey interprets the evolution of quantitative equity investing as a history of changing constraints rather than a succession of increasingly complicated forecasting models. Portfolio theory made diversification calculable; characteristic‐based investing converted...

Introducing open strategy in hierarchical organisations: the evolving roles of upper management in its implementation

Purpose While Open Strategy (OS) scholars have investigated OS’s potential for higher innovation, better strategy implementation and effective strategic renewal, the question of how OS is introduced and implemented in hierarchical firms remains unexplored. To understand the proce...

Digital Fairness Act: Mapping the Expectations

Abstract This paper examines the emerging Digital Fairness Act (DFA) against the development of the EU consumer law safety net, the 2024 Fitness Check and the Consumer Agenda 2030. It explores how EU consumer law should address data-driven commercial practices that leverage digit...

Mindful gaming in a busy world: exploring the retro renaissance

Purpose Motivated by the increasing busyness of modern lives and the rise in video game adoption, this study aims to explore how a busy mindset affects consumers’ gaming preferences, highlighting the relevance of retro (nostalgic) gaming as a psychological coping mechanism and a...

Consumer responses to industrially processed food in hospitality: Is an authenticity crisis looming?

Hospitality establishments increasingly use industrially processed foods that customers assume are prepared from scratch. Although an open secret in the industry, consumer responses to this practice remain unexplored. Drawing on psychological contract theory, we examine whether i...